EP3140883B1 - Élément de contact - Google Patents

Élément de contact Download PDF

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Publication number
EP3140883B1
EP3140883B1 EP15712088.2A EP15712088A EP3140883B1 EP 3140883 B1 EP3140883 B1 EP 3140883B1 EP 15712088 A EP15712088 A EP 15712088A EP 3140883 B1 EP3140883 B1 EP 3140883B1
Authority
EP
European Patent Office
Prior art keywords
contact
cable
contact body
protective element
protection element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15712088.2A
Other languages
German (de)
English (en)
Other versions
EP3140883A1 (fr
Inventor
Rolf Wittmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3140883A1 publication Critical patent/EP3140883A1/fr
Application granted granted Critical
Publication of EP3140883B1 publication Critical patent/EP3140883B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/44—Means for preventing access to live contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts

Definitions

  • the contact element usually has a contact body and a cable holder with a holding portion. In the holding section, for example, a strand crimping region and possibly also an insulation crimping region is provided, in which a cable is fastened to the contact element.
  • a contact element is for example in the DE 10 2011 078 093 A1 described. From the WO 2014/054783 A1 a spacer for a connector is known. From the JP 2012 238402 A is a cable with a plug contact known.
  • the invention is based on the recognition that, when the contact element is fitted into the connector, first the contact body of the contact element is pushed through the mat seal, then the strand crimping region and optionally the insulation crimp region, until finally the cable insulation is enclosed by the sealing geometry of the opening and the sealing effect occurs , It is crucial that the sealing lamellae of the mat seal are not damaged by the contact element when pushed through, so as not to worsen the sealing effect. To avoid such damage, it is advantageous to design the contact body so that it has a smooth as possible and well rounded outer contour.
  • the holding area for example a crimp area
  • the holding area is often severely restricted in its shaping by the requirements of the fastening process, for example a crimping process and can be optimized in shape only to a slight extent such that damage to the sealing fins of the mat seal is reliably prevented.
  • a contact element which makes it possible to reliably prevent damage to a sealing mat when passing the contact element through the sealing mat.
  • the contact element having a contact body extending along a longitudinal axis and a cable support connected to the contact body, the cable support extending along the longitudinal axis, and wherein the cable support has at least one holding portion for securing a cable to the cable support.
  • the contact element also has a protective element. According to the invention, it is provided that the protective element can be displaced along the longitudinal axis from a first position to a second position, the protective element covering the cable holder in the second position.
  • the contact element has the advantage that in the first position of the protective element of the holding portion, such as a Litzencrimpabêt and optionally an Isoliercrimpabrough the cable holder of the contact element is freely accessible and thereby attaching the cable to the contact element is simple and reliable.
  • the protective element By moving the protective element into the second position, the cable holder is then covered.
  • This advantageously covers exactly the area in which, for example, a strand supernatant can occur or sharp-edged areas, e.g. can form by bent Crimplaschen.
  • a sealing mat When pushing the contact element with the protective element in the second position by a sealing mat thus advantageously only a preferably smooth and uniform outer wall of the contact element is exposed. Strand protrusion and sharp edges are covered under the cover and thus can no longer damage the sealing strips of the sealing mat.
  • the first position can be arranged in the direction of passage of the contact element through a sealing mat viewed in front of the second position.
  • the first position is arranged so that upon insertion of the contact element by the sealing mat first the first position reaches the sealing mat and only then the second position reaches the sealing mat.
  • Another advantage of the proposed contact element is that by means of the movement of the protective element along the longitudinal axis, the protective function can take place in a simple assembly step, for example, no further pressing process, no thermal process and no additional after the cable fastening process to be mounted or to be mounted component. Rather, the contact element already in not yet connected to the cable state, ie directly after its production, have the protective element, which then only has to be pushed after the attachment of the cable to the second position. This advantageously causes a quick assembly step.
  • it can be determined manually or automatically, for example, after the cable assembly, whether the protective element has been placed in the second position and thus the contact element has been placed in a state which allows a damage-free passing through the sealing mat. It is only the position of the protective element to check and it must, for example, not be checked whether individual strands protrude - this is automatically no longer possible in the second position of the protective element.
  • the proposed contact element advantageously no new techniques for attaching the cable necessary, so it can be known methods are used.
  • the contact element can be produced, for example, as a stamped and bent part.
  • the contact element preferably has metallic regions which are good current-conducting.
  • the protective element is preferably formed from metal and, in this way, in the second position also effects an electromagnetic shielding effect with respect to the electrical signals transmitted via the contact element.
  • the protective element can also be made of any other material such as plastic or glass or be formed of composite materials.
  • the protective element is mounted at least in the first position on the contact body, is advantageously causes the presence of the protective element after the manufacture of the contact element can be checked in a simple manner.
  • the contact body provides a stable hold for the protective element during transport, during assembly and also when moving the protective element in the second position.
  • it can also be advantageously ensured that the cable holder and the holding section are freely accessible in the first position of the protective element and the attachment of the cable is not affected by the protective element.
  • the protective element in the second position covers the cable holder at least in a region between the contact body and the holding section, in particular completely covered, it is advantageously effected that distal stranded ends of a cable arranged in this region after a fastening process are no longer transversal to the longitudinal axis protrude beyond an outer wall of the contact element, but are covered by the protective element. This is when passing through the Contact element by a sealing mat reliably prevents damage to the sealing mat.
  • the cable When attaching the cable may be a crimping of the cable, wherein the distal stripped wire ends of the cable, for example, can come to rest between the contact body and the holding portion.
  • it can also be a welding process, in particular an ultrasonic welding process or a resistance welding process.
  • soldering process or an adhesive process in which an electrically conductive part of the cable is soldered or glued in the holding section.
  • the elements which are sharp-edged or rigid in the region of the holding section can be e.g. cooled solder or Litzenreste be transverse to the longitudinal axis of the contact element, which protrude outward.
  • the protective element is provided in the second position on the connector in a region in which the strands of a cable to be clamped typically end or in which cold solder of a soldering process can occur.
  • This retains, due to its structural configuration and arrangement, the ends of the strands from being bent outwards, or makes outwardly bent strand ends harmless by the overlap in the second position. Thus, it is prevented that these ends of the strands protrude laterally beyond the contact body of the connector.
  • a further development of the invention provides that the contact body has at least one locking element on an end facing the cable holder, and that the protective element has a counter locking element corresponding to the locking element, wherein the locking element cooperates mechanically with the counter locking element in the second position of the protective element, in particular with positive locking cooperates, that the protective element is fixed to the contact body in the direction of the longitudinal axis.
  • the protective element is secured against unintentional displacement, for example during passage through a sealing mat or through a narrow opening.
  • sharp-edged elements or against the Hin besteckraum facing distal ends of strands are exposed from the coverage of the protective element and so can damage the sealing blades or the inner wall opening, for example. In general, this can prevent the protective element from being displaced too far beyond the second position.
  • locking mechanism of locking element and counter-locking element can advantageously ensure a substantially gap-free contact between the protective element and the contact body, whereby a particularly smooth, common outer contour of the contact body and Protective element is effected.
  • the locking element and the counter-locking element may be, for example, a latching lug and a notch or other complementary structures such as a mushroom-like recess in the contact body or the protective element and a protruding mushroom from a wall of the protective element or the contact body supernatant ,
  • the locking element and the counter-locking element are positively connected to each other in the locked state. It is possible, the locking element and the counter-locking element in such a way that they can be solved again from each other, for example, to relocate the protective element for maintenance back to the first position.
  • a non-inventive embodiment provides that the protective element is formed jacket-shaped and has a butt joint and encloses the contact body with open butt joint in the first position and in the second position enclosing the cable holder with substantially closed butt radially encircling.
  • the contact body in the delivery state of a sleeve-shaped protective element or a protective sleeve can be formed closely enclosed.
  • the protective element is then under a mechanical stress, since it has been produced, for example, by widening a shape whose cross-section corresponds to that of the contact body.
  • the protective element can be slotted along the longitudinal axis, ie have a butt joint, so that it can be widened in a simple manner.
  • Such a jacket-shaped protective element can be made after completion of the attachment process of the cable, e.g. a Crimpvorgangs, to the rear, ie in its second position, in the direction of the holding area, pushed or shifted.
  • the contact element with the protective element displaced into the second position has an outer contour without sharp edges, without protruding wire ends or stranded ends, etc.
  • This smooth outer contour is also present upon further disassembly of the contact element, and then causes e.g. also when pulling out the contact element from the sealing mat or from the narrow opening that the sealing fins or the inner walls of the narrow opening are not damaged.
  • a protective element outer wall of the protective element is flush with a contact body outer wall, a particularly smooth, burr-free and gap-free outer contour of the protective element or of the section of the protective element formed from the contact body and protective element is advantageously provided. This greatly reduces the risk of damaging the sealing mat.
  • a further embodiment provides that the contact body has a latching element, which can elastically spring outward and is suitable for latching in a contact housing.
  • a latching element which can elastically spring outward and is suitable for latching in a contact housing. This has the advantageous effect that the contact element can reliably and reliably lock in a connector, so that unintentional release from the connector is prevented. Also, it is advantageously effected by such latching that the contact element has little play in it along the longitudinal axis and thus chafing of the contact element is minimized at the sealing lamellae.
  • the latching element can be formed, for example, by at least one latching lance extending counter to an insertion direction of the contact element, which protrudes transversely to the insertion direction outwards with a free end from the contact body.
  • An embodiment provides that the latching element is covered in the first position of the protective element by the protective element and is biased transversely to the longitudinal axis of the contact body and that the latching element is released in the second position of the protective element from the protective element and protrudes from the contact body to the outside.
  • the latching element for example, a locking lance
  • the latching element be retained in the delivery state on the contact body of the protective element and only snaps when the protective element is displaced to the rear in its second position or pushed.
  • the pushing back of the protective element may e.g. done by a cable manufacturer. If the protective element has not been pushed back, the outer diameter of the contact element in the region of the contact body is greater than the outer diameter of the contact body alone, since the protective element bears against the contact body. Therefore, the contact element can not be equipped due to its larger outer diameter, or if this is still possible due to the dimensional situation, do not lock in a contact housing of a connector in which the contact element is to be mounted.
  • Knife contacts for locking in coupling connectors or other crimped contacts can be designed analogously.
  • the protective element which is formed, for example, jacket-shaped and / or has the shape of a sleeve pushed back after attaching the cable against the insertion of the contact element to the rear and then covered or covered in the second position optionally behind the contact body present sharp-edged Elements or strand ends.
  • the step of pushing back the protective element takes place, for example, in a Jardinkonfetationmaschine between attaching and electrically connecting the cable to the contact element and a step of loading the contact element in a connector.
  • the step of pushing back can be done manually by a fitter or automatically, for example, in a processing station of a fastening machine or in a separate from the automatic fastening machine backshift.
  • the fastening machine may be e.g. to an automatic crimping machine or to a soldering station or a gluing station.
  • the displacement of the protective element with a particularly simple and inexpensive device can be accomplished, in contrast to a grouting device.
  • a quality control following the displacement step can be performed optically in a simple manner: it is sufficient to check the displacement of the protective element into the second position in order to release the contact element. A control of individual strands, distance measurements free Strands from an outer contour of the contact body or the quality of a Litzenenden compression are not required.
  • the production of the contact element / cable arrangement can advantageously be carried out without difficulty at a supplier or cable manufacturer without extensive quality assurance steps or a process knowledge transfer having to be provided.
  • a development of the method provides that the protective element encloses the contact body in the first position, in particular with a jacket-like shape, and that the protective element is slidably displaceable into its second position via a contact body outer wall of the contact body. With this development, it is particularly easy to move the protective element in its second position.
  • the contact body acts as a kind of guide rail for the protective element. By slidingly sliding on the preferably smooth outer wall of the contact body, the protective element can be displaced with little effort and reliably guided in the direction of the longitudinal axis in its second position.
  • a contact element 100 is shown, which is made for example in a stamping-bending process of a thin sheet.
  • the contact element 100 has a contact body 200 extending along a longitudinal axis 150.
  • the contact body 200 can be hollow-cylindrical, for example in the form of a hollow circular cylinder, which has a wall 210 with an inner wall 212 and an outer wall 214.
  • the contact body consists for example of an electrically conductive material, preferably of a metal.
  • the contact body 200 may also have an elliptical or rectangular shape in a cross-section transverse to the longitudinal axis 150, or generally a polygonal cross-section.
  • the contact element 100 further has a cable holder 400 connected to the contact body 200, which extends along the longitudinal axis 150.
  • the cable holder 400 may be connected to the contact body via a neck section 450 or neck region 450.
  • the cable support 400 and the neck portion 450 are preferably formed of metal or an electrically conductive material.
  • the cable holder 400 has at least one holding portion 410 for fixing a cable 500 to the cable holder 400.
  • the cable has an insulated area 502, in which the cable has a cable insulation 510 and a stripped area 504, on which individual strands 520 or wires 520 project with their distal ends 522 from the cable insulation 510.
  • the cable holder 400 may be formed as a crimping portion 402 in which, for example, the holding portion 410 is formed as a wire crimping portion 412 for fixing stripped wires 520 or strands 520 of the cable 500 by crimping on the holding portion 410.
  • the Drahtcrimp Society 412 at least one Drahtcrimplasche 414, the Formation of a strand crimp serves.
  • the holding portion 410 may further include a cable crimping portion 420 serving to fix the cable insulation 510 of the cable 500 to the holding portion 410 of the contact member 100.
  • At least one cable crimping tab 422 is formed on the cable crimping portion 420, by means of which the cable insulation 510 can be pressed against the holding portion 510.
  • a strain relief of the strand crimp in the wire crimping region 412 is effected.
  • the cable 500 can be fixed electrically and mechanically to the contact element 100, for example by soldering or gluing.
  • the contact element 100 has a protective element 300.
  • the protective element 300 is designed such that it along the longitudinal axis 150 of a in Fig. 1 shown first position (P1) in an in Fig. 2 shown second position (P2) is displaceable and in the second position (P2), the cable holder 400 covers.
  • the protective element 300 is in its first position (P1).
  • the contact element 100 is provided on the contact element 100 before the cable 500 is mounted.
  • the protective element 300 has a jacket-shaped or sleeve-like shape with a wall 310.
  • the wall 310 is designed with a smooth, substantially burr-free outer wall 314.
  • the protective element 300 is designed in such a way that its inner wall 312 closely surrounds, for example, the smooth and substantially burr-free outer wall 214 of the contact body 200 and is under mechanical pretension.
  • the protective element 300 has, for example, a butt joint 350 or a slot 350 along the longitudinal axis 150.
  • the protective element 300 with relatively little effort along the longitudinal axis 150 to the rear, ie in the direction of Holding section 410, slidable.
  • the holding portion 410 and the cable crimping portion 420 are easily exposed.
  • the protective element 300 in its first position (P1) does not hinder attachment of the cable 500 to the cable holder 400: the cable holder 400 is freely accessible.
  • Fig. 2 the contact element 100 is shown in the fully assembled state.
  • the cable 500 was fixed electrically and mechanically to the contact element 100, for example by a crimping process or a soldering process or an adhesion process.
  • the protective element 300 has been displaced in a sliding manner into its second position (P2) via the outer wall 214 of the contact body acting as a type of guide element or guide rail.
  • P2 the second position
  • the protective element 300 completely covers the neck section 450 with its wall 310 and, in the illustrated embodiment, also the holding section 410 or wire crimping section 412 completely.
  • the diameter of the protective element 300 decreases as soon as it has been pushed back over the end of the contact body 200 pointing in the direction of the holding section 410.
  • the protective element 300 In the second position (P2) of the protective element 300, the protective element 300 is completely displaced behind the contact body 200.
  • the outer wall 214 of the contact body 200 in this state encloses in a radially circumferential manner and substantially flush with the outer wall 314 of the protective element 300 in a substantially gap-free manner in the axial direction.
  • a smooth and burr-free outer contour is created by which the risk of damage is minimized for tight-fitting sealing blades of a sealing mat when pushing through the thus formed contact element 100.
  • the holding portion 410 is thus hidden in principle inside an outwardly smooth sleeve.
  • the protective element 300 in its second position (P2) covers at least that portion of the contact element 100 in which strands 520 can project transversely to the longitudinal axis 150.
  • the protective element 300 does not surround the neck section 450 or the holding section 410 completely, but instead For example, only along a radial circumference in a range of 90 ° to 270 °. Also, it is not necessary that the outer wall 214 of the contact body 200 serves as such as a guide rail. It is also possible for the protective element 300 to be mounted on a guide element, for example a rail, arranged on the contact body 200 and to be displaced along this guide element from the first position (P1) to the second position (P2).
  • a locking element 230 protruding in the axial direction is formed.
  • this locking element 230 has the shape of a mushroom-like latching nose 232, which represents a punctiform extension of the wall 210 of the contact body 200.
  • a counter-locking element 330 complementary to the locking element 230 is formed in the protective element 300.
  • the counter-locking element 330 has the shape of a mushroom-shaped recess in the wall 310 of the protective element 300.
  • the locking element can be designed as a latching nose 232 and the counter-locking element 330 as a latching notch 332.
  • the locking element 230 is formed as a notch 332 and the counter-locking element 330 as a latching nose 232nd
  • the locking element 230 can make an interlocking connection with the counter locking element 330, for example, and prevent further displacement or retraction of the protective element 300 in the direction of the longitudinal axis 150 to the rear or to the front.
  • the protective element 300 remains in the second position (P2) and the sharp-edged elements (eg crimping lugs 414) or distal ends 522 of the strands 520 hidden by it are not exposed ,
  • the locking element 230 and the counter-locking element 330 can also be, for example, a radially arranged groove on the outer side of the wall 210 of the contact body 200 and a radially encircling spring on the inner side of the wall 310 of the protective element 300.
  • a contact element 100 according to the invention is shown.
  • a latching element 270 is disposed on the contact body 200, which is formed for example in the form of a locking lance.
  • This latching element 270 has, for example, a free end 272, which faces the holding section 410.
  • the latching element is elastically biased such that it protrudes outward from the contact body. It can lock behind an undercut of a connector housing in the manner of a barb when the contact element 100 is inserted into the connector housing. In this way, the contact element 100 can be fixed in a connector housing in the axial direction, ie in the direction of the longitudinal axis 150, counter to the insertion direction.
  • the contact element 100 can also be designed such that the latching element 270, viewed along the longitudinal axis 150, adjoins the contact body 200 in front and behind, in other words is enclosed by the contact body 200.
  • the latching element 270 in the first position (P1) is covered or encased by the protective element 300, which is in the form of a jacket, for example. As a result, it is pressed against its elastic bias in the direction of the wall 210 of the contact body 200.
  • This also has the advantage that contact elements 100 formed in this way can be delivered as bulk material without the locking elements 270 projecting outwards interlocking with each other and becoming damaged or locking elements 270 projecting outwards during transport transport the cable insulation 510 of the cable 500 to damage.
  • a surface of the contact body is provided with a coating, for example of noble metal such as gold or silver, or a corrosion protection.
  • the protective element thus protects the contact body 200 or its outer wall 210 or a surface coating of the outer wall 210 from damage in the state immediately after production.
  • the protection element 300 is shown displaced to its second position (P2). It can be seen that the latching element 270 protrudes barb-shaped outward from the contact body according to its mechanical bias, since the protective element 300 in the illustrated position no longer encloses or covers the free end 272 of the latching element 270.
  • a latching opening is provided instead of the latching element 270, in which engages a connector latching element.
  • Such contact element-connector combinations are also known by the term "clean body contacts".
  • the protective element 300 covers in the first position (P1) the latching opening of the contact element 100, so that a latching of the connector with the contact element 100 in the first position (P1) of the protective element 300 is also not possible.
  • a control option is offered when equipping the contact element 100 in a connector housing, whether the protective element was moved to the second position (P2).
  • the contact element 100 can latch in the connector housing. This makes it possible to detect whether there has been a potential damage to the sealing mat. It is in the Fig. 3b It will also be appreciated that the protective member 300 covers the distal ends 522 of the strands as well as any sharp-edged portions of the wire crimp lugs 414. Also, as the protective member 300 preferably has a slightly larger outer diameter than the cable insulation 510 and the crimp crimp 422 presses into the cable insulation 510 For example, the contact element 100 designed in this way has a substantially burr-free and smooth outer contour which minimizes the damage potential of sealing lamellae when pushed through by a sealing mat.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (5)

  1. Elément de contact présentant
    un corps de contact (200) s'étendant suivant un axe longitudinal (150) et
    un support de câble (400) relié au corps de contact (200) et s'étendant le long de l'axe longitudinal (150),
    le support de câble (400) présentant au moins une partie de retenue (410) qui immobilise des tresses (520) d'une section (502) débarrassée de son isolant d'un câble (500) placé sur le support de câble (400), un élément de protection (300),
    caractérisé en ce que
    l'élément de protection peut être déplacé le long de l'axe longitudinal (150) depuis une première position (P1) jusque dans une deuxième position (P2),
    en ce que dans sa deuxième position (P2), l'élément de protection (300) recouvre le support de câble (400),
    en ce que le corps de contact (200) présente un élément d'encliquetage (270) qui peut se déformer élastiquement vers l'extérieur et convient pour être encliqueté dans un boîtier de contact,
    en ce que l'élément d'encliquetage (270) est recouvert par l'élément de protection (300) lorsque l'élément de protection (300) se trouve dans la première position (P1) et est précontraint en direction du corps de contact (200) transversalement par rapport à l'axe longitudinal et
    en ce que lorsque l'élément de protection (300) se trouve dans la deuxième position (P2), l'élément d'encliquetage (270) est libéré de l'élément de protection (300) et déborde à l'extérieur du corps de contact (200).
  2. Elément de contact selon la revendication 1,
    caractérisé en ce qu'au moins dans sa première position (P1), l'élément de protection (300) repose contre le corps de contact (200).
  3. Elément de contact selon les revendications 1 ou 2, caractérisé en ce que dans sa deuxième position (P2), l'élément de protection (300) recouvre et en particulier recouvre complètement le support de câble (400) au moins dans une partie située entre le corps de contact (200) et la section de maintien (410).
  4. Procédé de fabrication d'un ensemble d'élément de contact et de câble, le procédé présentant les étapes suivantes :
    prévoir un câble (500),
    prévoir un élément de contact (100), l'élément de contact (100) présentant un corps de contact (200) s'étendant suivant un axe longitudinal (150) et l'élément de contact (100) présentant un support de câble (400) relié au corps de contact (200) et s'étendant le long de l'axe longitudinal (150), le support de câble (400) présentant au moins une partie de retenue (410) qui immobilise le câble (500) sur le support de câble (400), l'élément de contact (100) présentant un élément de protection (300), le corps de contact (200) présentant un élément d'encliquetage (270) qui peut se déformer élastiquement vers l'extérieur et convient pour être encliqueté dans un boîtier de contact, l'élément d'encliquetage (270) étant recouvert par l'élément de protection (300) lorsque l'élément de protection (300) se trouve dans la première position (P1) et étant précontraint en direction du corps de contact (200) transversalement par rapport à l'axe longitudinal, et l'élément d'encliquetage (270) étant libéré de l'élément de protection (300) et débordant hors du corps de contact (200) lorsque l'élément de protection (300) se trouve dans la deuxième position (P2),
    fixation des tresses (520) d'une partie (502) du câble (500) dont l'isolation a été enlevée contre la partie de retenue (410) du support de câble (400),
    l'élément de protection (300) étant déplacé le long de l'axe longitudinal (150) depuis la première position (P1) jusque dans la deuxième position (P2) après l'étape de fixation du câble (500), de telle sorte que lorsque l'élément de protection (300) se trouve dans la deuxième position (P2), il recouvre les tresses (520) de la partie (502) du câble (500) dont l'isolation a été enlevée.
  5. Procédé selon la revendication 4, caractérisé en ce que dans sa première position (P1), l'élément de protection (300) englobe le corps de contact (200), en particulier par une configuration en forme d'enveloppe, et en ce que l'élément de protection (300) peut être déplacé jusque dans sa deuxième position (P2) en coulissant au-dessus d'une paroi extérieure (214) du corps de contact (200).
EP15712088.2A 2014-05-09 2015-03-13 Élément de contact Active EP3140883B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014208772.4A DE102014208772B4 (de) 2014-05-09 2014-05-09 Kontaktelement und Verfahren zur Herstellung einer Kontaktelement-Kabel-Anordnung
PCT/EP2015/055270 WO2015169487A1 (fr) 2014-05-09 2015-03-13 Élément de contact

Publications (2)

Publication Number Publication Date
EP3140883A1 EP3140883A1 (fr) 2017-03-15
EP3140883B1 true EP3140883B1 (fr) 2018-06-27

Family

ID=52737080

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15712088.2A Active EP3140883B1 (fr) 2014-05-09 2015-03-13 Élément de contact

Country Status (5)

Country Link
US (1) US9761984B2 (fr)
EP (1) EP3140883B1 (fr)
JP (1) JP6297171B2 (fr)
DE (1) DE102014208772B4 (fr)
WO (1) WO2015169487A1 (fr)

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WO2023110017A1 (fr) 2021-12-14 2023-06-22 Harting Electric Stiftung & Co. Kg Élément de contact en deux parties pour raccordements de fiches électriques et procédé de production dudit élément de contact

Also Published As

Publication number Publication date
US9761984B2 (en) 2017-09-12
JP6297171B2 (ja) 2018-03-20
DE102014208772A1 (de) 2015-11-12
WO2015169487A1 (fr) 2015-11-12
EP3140883A1 (fr) 2017-03-15
US20170062967A1 (en) 2017-03-02
DE102014208772B4 (de) 2018-03-08
JP2017519332A (ja) 2017-07-13

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